module(..., package.seeall)

-- Load libraries
require("format")

-- Set variables
local newrecordtxt = "[New]"

-- ################################################################################
-- LOCAL FUNCTIONS

local function list_redir(self)
	self.conf.action = "status"
	self.conf.type = "redir"
	error (self.conf)
end

local function displaycmdmanagement(pidofstatus)
	-- Add a management buttons
	local management = {}
	management.start = cfe({ name="cmdmanagement",
		label="Program control-panel",
		value="Start",
		type="submit",
		descr="When starting or restarting BGP, the web-page will freeze for some reason!",
		})
	management.stop = cfe({ name="cmdmanagement",
		label="Program control-panel",
		value="Stop",
		type="submit",
		})
	management.restart = cfe({ name="cmdmanagement",
		label="Program control-panel",
		value="Restart",
		type="submit",
		})
	-- next CFE can be used to present the result of the previous action
	management.actionresult = cfe({ name="actionresult",
		label="Previous action result",
		descr="",		--Content of this variable is displayed as <PRE> ... </PRE> in BLACK text
		errtxt="",	--Content of this variable is displayed as <PRE> ... </PRE> in RED text
		})

	-- Disable management buttons based on if the process is running or not
	if (pidofstatus) then 
		management.start.disabled = "yes"
	else
		management.stop.disabled = "yes"
		management.restart.disabled = "yes"
	end

	return management
end

-- ################################################################################
-- PUBLIC FUNCTIONS
mvc = {}
function mvc.on_load(self, parent)
	if (self.worker[self.conf.action] == nil ) or ( self.conf.action == "init" ) then
		self.worker[self.conf.action] = list_redir(self)
	end
end

function status(self)
	return { status=self.model.getstatus() }
end

function expert(self)
	local modifications = self.clientdata.filecontent or ""
	if ( self.clientdata.cmdsave ) then
		modifications = self.model:update_filecontent(modifications)
	end
	local url = ENV["SCRIPT_NAME"] .. self.conf.prefix .. self.conf.controller

	-- Start/Stop/Restart process
	local cmdmanagement, actionresult
	if ( self.clientdata.cmdmanagement) then
	cmdmanagement = cfe({ 
		name="cmdmanagement",
		label="Previous action result",
		action=cfe({ 
			name="cmdmanagement", 
			value=string.lower(self.clientdata.cmdmanagement),  -- This row contains start/stop/restart (one of these commands)
			}),
		})
		actionresult, cmdmanagement = self.model:startstop_service( cmdmanagement.action )
	end

	local status=self.model.getstatus()
	local file = self.model:get_filedetails()

	-- Add buttons
	file.cmdsave = cfe ({
		name="cmdsave",
		label="Apply settings",
		value="Apply",
		type="submit",
		})
	if (self.clientdata.cmdsave) then
		file.cmdsave.descr="* Changes has been saved!"
	end	

	-- Management buttons (Hide/show buttons
	local pidofstatus
	if (string.lower(status.status.value) == "enabled" ) then pidofstatus = true end
	management = displaycmdmanagement(pidofstatus)
	if (actionresult) then
		management.actionresult.descr=cmdmanagement.descr
		management.actionresult.errtxt=cmdmanagement.errtxt
	end
	
	return ( {
		status = status,
		file = file, 
		modifications = modifications,
		management = management,
		url = url, } )
end

function logfile(self)

	local status=self.model.getstatus()
	local logfile = self.model:get_logfile()

	return ({
		status = status, 
		logfile = logfile, 
		url = url,
		})
end